The Beretta TRX-100 is a mountain bike to enjoy your adventures off-road. The large size of the wheel (29 ") gives the bike more speed, but makes maneuvers more difficult. It has 21 speeds to adjust the intensity according to your needs, but also to be able to climb more demanding uphills. The front suspension absorbs the vibrations from the uneven road and makes driving more comfortable and relaxing.Also, the disc brakes will offer you better stopping and control. Type: Mountain Bike Wheel Dimension: 29 " Brakes: Disc brakes Number of Gears: 21